scsipi_all.h revision 1.23
1 /* $NetBSD: scsipi_all.h,v 1.23 2003/09/08 03:24:12 mycroft Exp $ */ 2 3 /* 4 * SCSI and SCSI-like general interface description 5 */ 6 7 /* 8 * Largely written by Julian Elischer (julian (at) tfs.com) 9 * for TRW Financial Systems. 10 * 11 * TRW Financial Systems, in accordance with their agreement with Carnegie 12 * Mellon University, makes this software available to CMU to distribute 13 * or use in any manner that they see fit as long as this message is kept with 14 * the software. For this reason TFS also grants any other persons or 15 * organisations permission to use or modify this software. 16 * 17 * TFS supplies this software to be publicly redistributed 18 * on the understanding that TFS is not responsible for the correct 19 * functioning of this software in any circumstances. 20 * 21 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 22 */ 23 24 #ifndef _DEV_SCSIPI_SCSIPI_ALL_H_ 25 #define _DEV_SCSIPI_SCSIPI_ALL_H_ 26 27 /* 28 * SCSI-like command format and opcode 29 */ 30 31 /* 32 * Some basic, common SCSI command group definitions. 33 */ 34 35 #define CDB_GROUPID(cmd) ((cmd >> 5) & 0x7) 36 #define CDB_GROUPID_0 0 37 #define CDB_GROUPID_1 1 38 #define CDB_GROUPID_2 2 39 #define CDB_GROUPID_3 3 40 #define CDB_GROUPID_4 4 41 #define CDB_GROUPID_5 5 42 #define CDB_GROUPID_6 6 43 #define CDB_GROUPID_7 7 44 45 #define CDB_GROUP0 6 /* 6-byte cdb's */ 46 #define CDB_GROUP1 10 /* 10-byte cdb's */ 47 #define CDB_GROUP2 10 /* 10-byte cdb's */ 48 #define CDB_GROUP3 0 /* reserved */ 49 #define CDB_GROUP4 16 /* 16-byte cdb's */ 50 #define CDB_GROUP5 12 /* 12-byte cdb's */ 51 #define CDB_GROUP6 0 /* vendor specific */ 52 #define CDB_GROUP7 0 /* vendor specific */ 53 54 /* 55 * Some basic, common SCSI commands 56 */ 57 #define TEST_UNIT_READY 0x00 58 struct scsipi_test_unit_ready { 59 u_int8_t opcode; 60 u_int8_t byte2; 61 u_int8_t unused[3]; 62 u_int8_t control; 63 }; 64 65 #define REQUEST_SENSE 0x03 66 struct scsipi_sense { 67 u_int8_t opcode; 68 u_int8_t byte2; 69 u_int8_t unused[2]; 70 u_int8_t length; 71 u_int8_t control; 72 }; 73 74 #define MODE_SENSE 0x1a 75 struct scsipi_mode_sense { 76 u_int8_t opcode; 77 u_int8_t byte2; 78 #define SMS_DBD 0x08 /* disable block descriptors */ 79 u_int8_t page; 80 #define SMS_PAGE_CODE 0x3F 81 #define SMS_PAGE_CTRL 0xC0 82 #define SMS_PAGE_CTRL_CURRENT 0x00 83 #define SMS_PAGE_CTRL_CHANGEABLE 0x40 84 #define SMS_PAGE_CTRL_DEFAULT 0x80 85 #define SMS_PAGE_CTRL_SAVED 0xC0 86 u_int8_t unused; 87 u_int8_t length; 88 u_int8_t control; 89 } __attribute__((packed)); 90 91 #define MODE_SENSE_BIG 0x5A 92 struct scsipi_mode_sense_big { 93 u_int8_t opcode; 94 u_int8_t byte2; /* same bits as small version */ 95 u_int8_t page; /* same bits as small version */ 96 u_int8_t unused[4]; 97 u_int8_t length[2]; 98 u_int8_t control; 99 } __attribute__((packed)); 100 101 #define MODE_SELECT 0x15 102 struct scsipi_mode_select { 103 u_int8_t opcode; 104 u_int8_t byte2; 105 #define SMS_SP 0x01 /* save page */ 106 #define SMS_PF 0x10 /* page format (0 = SCSI-1, 1 = SCSI-2) */ 107 u_int8_t unused; 108 union { 109 struct { 110 u_int8_t unused; 111 u_int8_t length; 112 } scsi __attribute__((packed)); 113 struct { 114 u_int8_t length[2]; 115 } atapi __attribute__((packed)); 116 } u_len; 117 u_int8_t control; 118 } __attribute__((packed)); 119 120 #define MODE_SELECT_BIG 0x55 121 struct scsipi_mode_select_big { 122 u_int8_t opcode; 123 u_int8_t byte2; /* same bits as small version */ 124 u_int8_t unused[5]; 125 u_int8_t length[2]; 126 u_int8_t control; 127 } __attribute__((packed)); 128 129 #define INQUIRY 0x12 130 struct scsipi_inquiry { 131 u_int8_t opcode; 132 u_int8_t byte2; 133 u_int8_t unused[2]; 134 u_int8_t length; 135 u_int8_t control; 136 } __attribute__((packed)); 137 138 #define START_STOP 0x1b 139 struct scsipi_start_stop { 140 u_int8_t opcode; 141 u_int8_t byte2; 142 u_int8_t unused[2]; 143 u_int8_t how; 144 #define SSS_STOP 0x00 145 #define SSS_START 0x01 146 #define SSS_LOEJ 0x02 147 u_int8_t control; 148 }; 149 150 #define PREVENT_ALLOW 0x1e 151 struct scsipi_prevent { 152 u_int8_t opcode; 153 u_int8_t byte2; 154 u_int8_t unused[2]; 155 u_int8_t how; 156 u_int8_t control; 157 } __attribute__((packed)); 158 #define PR_PREVENT 0x01 159 #define PR_ALLOW 0x00 160 161 /* 162 * inquiry and sense data format 163 */ 164 165 struct scsipi_sense_data { 166 /* 1*/ u_int8_t error_code; 167 #define SSD_ERRCODE 0x7F 168 #define SSD_ERRCODE_VALID 0x80 169 /* 2*/ u_int8_t segment; 170 /* 3*/ u_int8_t flags; 171 #define SSD_KEY 0x0F 172 #define SSD_ILI 0x20 173 #define SSD_EOM 0x40 174 #define SSD_FILEMARK 0x80 175 /* 7*/ u_int8_t info[4]; 176 /* 8*/ u_int8_t extra_len; 177 /*12*/ u_int8_t cmd_spec_info[4]; 178 /*13*/ u_int8_t add_sense_code; 179 /*14*/ u_int8_t add_sense_code_qual; 180 /*15*/ u_int8_t fru; 181 /*16*/ u_int8_t sense_key_spec_1; 182 #define SSD_SCS_VALID 0x80 183 /*17*/ u_int8_t sense_key_spec_2; 184 /*18*/ u_int8_t sense_key_spec_3; 185 /*32*/ u_int8_t extra_bytes[14]; 186 } __attribute__((packed)); 187 188 #define SKEY_NO_SENSE 0x00 189 #define SKEY_RECOVERED_ERROR 0x01 190 #define SKEY_NOT_READY 0x02 191 #define SKEY_MEDIUM_ERROR 0x03 192 #define SKEY_HARDWARE_ERROR 0x04 193 #define SKEY_ILLEGAL_REQUEST 0x05 194 #define SKEY_UNIT_ATTENTION 0x06 195 #define SKEY_WRITE_PROTECT 0x07 196 #define SKEY_BLANK_CHECK 0x08 197 #define SKEY_VENDOR_UNIQUE 0x09 198 #define SKEY_COPY_ABORTED 0x0A 199 #define SKEY_ABORTED_COMMAND 0x0B 200 #define SKEY_EQUAL 0x0C 201 #define SKEY_VOLUME_OVERFLOW 0x0D 202 #define SKEY_MISCOMPARE 0x0E 203 #define SKEY_RESERVED 0x0F 204 205 /* 206 * Sense bytes described by the extra_len tag start at cmd_spec_info, 207 * and can only continue up to the end of the structure we've defined 208 * (which is too short for some cases). 209 */ 210 #define ADD_BYTES_LIM(sp) \ 211 ((((int)(sp)->extra_len) < (int) sizeof(struct scsipi_sense_data) - 8)? \ 212 ((sp)->extra_len) : (sizeof (struct scsipi_sense_data) - 8)) 213 214 215 struct scsipi_sense_data_unextended { 216 /* 1*/ u_int8_t error_code; 217 /* 4*/ u_int8_t block[3]; 218 } __attribute__((packed)); 219 220 #define T_REMOV 1 /* device is removable */ 221 #define T_FIXED 0 /* device is not removable */ 222 223 /* 224 * According to SPC-2r16, in order to know if a U3W device support PPR, 225 * Inquiry Data structure should be at least 57 Bytes 226 */ 227 228 struct scsipi_inquiry_data { 229 /* 1*/ u_int8_t device; 230 #define SID_TYPE 0x1f /* device type mask */ 231 #define SID_QUAL 0xe0 /* device qualifier mask */ 232 #define SID_QUAL_LU_PRESENT 0x00 /* logical unit present */ 233 #define SID_QUAL_LU_NOTPRESENT 0x20 /* logical unit not present */ 234 #define SID_QUAL_reserved 0x40 235 #define SID_QUAL_LU_NOT_SUPP 0x60 /* logical unit not supported */ 236 237 #define T_DIRECT 0x00 /* direct access device */ 238 #define T_SEQUENTIAL 0x01 /* sequential access device */ 239 #define T_PRINTER 0x02 /* printer device */ 240 #define T_PROCESSOR 0x03 /* processor device */ 241 #define T_WORM 0x04 /* write once, read many device */ 242 #define T_CDROM 0x05 /* cd-rom device */ 243 #define T_SCANNER 0x06 /* scanner device */ 244 #define T_OPTICAL 0x07 /* optical memory device */ 245 #define T_CHANGER 0x08 /* medium changer device */ 246 #define T_COMM 0x09 /* communication device */ 247 #define T_IT8_1 0x0a /* Defined by ASC IT8... */ 248 #define T_IT8_2 0x0b /* ...(Graphic arts pre-press devices) */ 249 #define T_STORARRAY 0x0c /* storage array device */ 250 #define T_ENCLOSURE 0x0d /* enclosure services device */ 251 #define T_SIMPLE_DIRECT 0x0E /* Simplified direct-access device */ 252 #define T_OPTIC_CARD_RW 0x0F /* Optical card reader/writer device */ 253 #define T_OBJECT_STORED 0x11 /* Object-based Storage Device */ 254 #define T_NODEVICE 0x1f 255 256 u_int8_t dev_qual2; 257 #define SID_QUAL2 0x7F 258 #define SID_REMOVABLE 0x80 259 260 /* 3*/ u_int8_t version; 261 #define SID_ANSII 0x07 262 #define SID_ECMA 0x38 263 #define SID_ISO 0xC0 264 265 /* 4*/ u_int8_t response_format; 266 #define SID_RespDataFmt 0x0F 267 #define SID_FORMAT_SCSI1 0x00 /* SCSI-1 format */ 268 #define SID_FORMAT_CCS 0x01 /* SCSI CCS format */ 269 #define SID_FORMAT_ISO 0x02 /* ISO format */ 270 271 /* 5*/ u_int8_t additional_length; /* n-4 */ 272 /* 6*/ u_int8_t flags1; 273 #define SID_SCC 0x80 274 /* 7*/ u_int8_t flags2; 275 #define SID_Addr16 0x01 276 #define SID_MChngr 0x08 277 #define SID_MultiPort 0x10 278 #define SID_EncServ 0x40 279 #define SID_BasQue 0x80 280 /* 8*/ u_int8_t flags3; 281 #define SID_SftRe 0x01 282 #define SID_CmdQue 0x02 283 #define SID_Linked 0x08 284 #define SID_Sync 0x10 285 #define SID_WBus16 0x20 286 #define SID_WBus32 0x40 287 #define SID_RelAdr 0x80 288 /* 9*/ char vendor[8]; 289 /*17*/ char product[16]; 290 /*33*/ char revision[4]; 291 /*37*/ u_int8_t vendor_specific[20]; 292 /*57*/ u_int8_t flags4; 293 #define SID_IUS 0x01 294 #define SID_QAS 0x02 295 #define SID_Clocking 0x0C 296 #define SID_CLOCKING_ST_ONLY 0x00 297 #define SID_CLOCKING_DT_ONLY 0x04 298 #define SID_CLOCKING_SD_DT 0x0C 299 /*58*/ u_int8_t reserved; 300 /*59*/ char version_descriptor[8][2]; 301 } __attribute__((packed)); /* 74 Bytes */ 302 303 /* Data structures for mode select/mode sense */ 304 struct scsipi_mode_header { 305 u_int8_t data_length; /* Sense data length */ 306 u_int8_t medium_type; 307 u_int8_t dev_spec; 308 u_int8_t blk_desc_len; /* unused on ATAPI */ 309 } __attribute__((packed)); 310 311 struct scsipi_mode_header_big { 312 u_int8_t data_length[2]; /* Sense data length */ 313 u_int8_t medium_type; 314 u_int8_t dev_spec; 315 u_int8_t unused[2]; /* unused on ATAPI */ 316 u_int8_t blk_desc_len[2]; /* unused on ATAPI */ 317 } __attribute__((packed)); 318 319 /* 320 * This part is common to all mode pages. 321 */ 322 struct scsipi_mode_page_header { 323 u_int8_t pg_code; /* page code */ 324 #define PGCODE_MASK 0x3f /* page code mask */ 325 #define PGCODE_PS 0x80 /* page is savable */ 326 u_int8_t pg_length; /* page length (not including hdr) */ 327 } __attribute__((__packed__)); 328 329 #endif /* _DEV_SCSIPI_SCSIPI_ALL_H_ */ 330
Indexes created Thu Sep 25 02:09:54 GMT 2025